Device for holding a storage medium

A device configured to hold an imaging plate in an oral cavity of a patient for at least one X-ray exposure, the device comprising:

• a holding portion;
• a first part with an abutment region for the imaging plate;
• a second part with a clamping region for the imaging plate;
• and
• a bite portion, wherein the bite portion comprises:
• a first guide region and a first locking region, wherein the first guide region comprises a ledge guide, and
• a second guide region corresponding to the first guide region and a second locking region, wherein the second guide region comprises a groove,
• wherein said abutment region and said clamping region cooperate to form a retaining portion, said first guide region and said second guide region cooperate such that said first part and said second part are movable relative to each other between an open position and a clamping position, and
• wherein the ledge guide is configured to slide in the groove between the open position and the clamping position.